Add chainer.training.triggers package to setup.py
Add chainer.training.triggers package to setup.py

wkentaro/chainer,jnishi/chainer,okuta/chainer,hvy/chainer,keisuke-umezawa/chainer,niboshi/chainer,wkentaro/chainer,hvy/chainer,okuta/chainer,okuta/chainer,chainer/chainer,aonotas/chainer,niboshi/chainer,jnishi/chainer,jnishi/chainer,tkerola/chainer,pfnet/chainer,ronekko/chainer,chainer/chainer,wkentaro/chainer,hvy/chainer,cupy/cupy,niboshi/chainer,keisuke-umezawa/chainer,ktnyt/chainer,niboshi/chainer,delta2323/chainer,ktnyt/chainer,cupy/cupy,hvy/chainer,keisuke-umezawa/chainer,chainer/chainer,ktnyt/chainer,kashif/chainer,rezoo/chainer,cupy/cupy,ysekky/chainer,kiyukuta/chainer,keisuke-umezawa/chainer,okuta/chainer,wkentaro/chainer,chainer/chainer,cupy/cupy,anaruse/chainer,ktnyt/chainer,jnishi/chainer